Complexo de especies: Diferenzas entre revisións
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<ref name="Mayr 1970">{{cite book |author=Mayr E. |year=1970 |title=Populations, Species, and Evolution |publisher=The Belknap Press of Harvard University Press |location=Cambridge, MA |chapter=Morphological species characters and sibling species |pages=21–36 |isbn=0-674-69013-3 |url=https://books.google.com/books?id=STEXkujeBnsC&pg=PA21}}</ref>
<ref name="MelbourneCode">{{
<ref name="Moran 1993">{{cite journal |vauthors=Moran P, Kornfield I |title=Retention of an Ancestral Polymorphism in the Mbuna Species Flock (Teleostei: Cichlidae) of Lake Malawi |journal=Molecular Biology and Evolution |volume=10 |issue=5 |pages=1015–1029 |date=1993 |url=http://www.nwfsc.noaa.gov/assets/2/6764_08032011_101306_Moran.and.Kornfield.1993-rev.pdf}}</ref>
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